Methodological and technological support for a simulation model of mineral disintegration

The study presents a research stage aimed at developing a simulation model of mineral disintegration. The work was performed on samples of ferruginous quartzite processed at Stoilensky GOK. The work is based on the algorithm of simulation modeling of minerals disintegration in reduction of mineral particle size, which allows considering dependence of disintegration result on the energy spent by estimating influence of such parameters as equipment capacity, Bond work index, and productivity. At the current stage the authors have analysed an approach to provide the simulation model of mineral disintegration with basic information, including discrete distribution of outputs of narrow mineral fractions in the feeding of mineral particle size reduction, specified in coordinates of size grades and classes of useful mineral content. The approach has required the development of prototypes of equipment for fractionation of mineral particles of individual size grades, which excluded the use of heavy liquids in the experiments and reduced the test time. To process the results of fractionation experiments, the authors have proposed a method of identifying continuous functions of the distribution of yields of content classes with estimation of the determination coefficient at the points of the corresponding discrete distributions. This has allowed establishing uniform boundaries of content classes for the whole range of particle sizes and presenting the material composition of feeding of particle size reduction as a rectangular matrix of yields of narrow mineral fractions.

Nikitin R. M., Opalev A. S., Birukov V. V., Kitaeva A. S., Kompanchenko A. A. Methodological and technological support for a simulation model of mineral disintegration. MIAB. Mining Inf. Anal. Bull. 2022;(12-1):63-77. [In Russ]. DOI: 10.25018/0236_1493_2022_121_0_63.

R.M. Nikitin¹, Cand. Sci. (Eng.), Senior Researcher, e-mail: remnik@yandex.ru, ORCID ID: 0000-0002-9692-0383,
A.S. Opalev¹, Cand. Sci. (Eng.), Leading Researcher, e-mail: a.opalev@ksc.ru, ORCID ID: 0000-0001-5120-7595
V.V. Birukov, Assistant Professor, Apatity branch of Murmansk Arctic State University, 184209, Apatity, Russia, e-mail: birukovval@rambler.ru, ORCID ID: 0000-0002-0495-2928,
A.S. Kitaeva¹, Junior Researcher, e-mail: 1990nuta2008@rambler.ru, ORCID ID: 0000-0002-8766-3119,
A.A. Kompanchenko, Cand. Sci. (Geol. Mineral.), Researcher, Geological Institute, Kola Scientific Centre of Russian Academy of Sciences, 184209, Apatity, Russia, e-mail: komp-alena@yandex.ru, ORCID ID: 0000-0003-1240-7898,
¹ Mining Institute, Kola Scientific Centre of Russian Academy of Sciences, 184209, Apatity, Russia.

R.M. Nikitin, e-mail: remnik@yandex.ru.

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